Home / 9,519,489.54-13,147,711.78-6,416,661.42

Finding the Fourth Proportional to 9,519,489.54, 13,147,711.78 and 6,416,661.42

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Solution

The fourth proportional to 9,519,489.54, 13,147,711.78 and 6,416,661.42 is: 8,862,283.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519,489.54 : 13,147,711.78 = 6,416,661.42 : x
  2. Step 2: Convert to fraction form
    9,519,489.54/13,147,711.78 = 6,416,661.42/x
  3. Step 3: Cross multiply
    9,519,489.54x = 13,147,711.78 × 6,416,661.42
  4. Step 4: Simplify right side
    9,519,489.54x = 84,364,414,940,005.52
  5. Step 5: Solve for x
    x = 84,364,414,940,005.52/9,519,489.54
  6. Step 6: Final answer
    x = 8,862,283.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.